CN117978246A - Satellite Internet of things terminal channel allocation method - Google Patents

Satellite Internet of things terminal channel allocation method Download PDF

Info

Publication number
CN117978246A
CN117978246A CN202410139572.1A CN202410139572A CN117978246A CN 117978246 A CN117978246 A CN 117978246A CN 202410139572 A CN202410139572 A CN 202410139572A CN 117978246 A CN117978246 A CN 117978246A
Authority
CN
China
Prior art keywords
service
terminal
channel
data
gateway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410139572.1A
Other languages
Chinese (zh)
Inventor
张保祥
席远波
陈牧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huatai Xinglian Technology Co ltd
Original Assignee
Shenzhen Huatai Xinglian Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huatai Xinglian Technology Co ltd filed Critical Shenzhen Huatai Xinglian Technology Co ltd
Priority to CN202410139572.1A priority Critical patent/CN117978246A/en
Publication of CN117978246A publication Critical patent/CN117978246A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention provides a satellite internet of things terminal channel allocation method, which comprises the following steps: the system comprises a satellite Internet of things terminal, a satellite, a management platform, a management gateway, a service platform and a service gateway; the satellite internet of things terminal is connected with the satellite, the management platform, the management gateway, the service platform and the service gateway, the management gateway and the management platform are responsible for realizing the interactive flow of the network access application of the satellite internet of things terminal, and the service gateway and the service platform are responsible for realizing the flow of the service data of the satellite internet of things terminal. The method for allocating the channels of the satellite Internet of things terminal can efficiently coordinate the stable data transmission of the terminal on the allocated channels, solves the problem of collision and packet loss caused by simultaneous data transmission of multiple terminals, greatly increases the network capacity of the satellite channels through unified coordination of channel allocation, and remarkably improves the channel utilization rate of the satellite Internet of things system.

Description

Satellite Internet of things terminal channel allocation method
Technical Field
The invention belongs to the technical field of satellite Internet of things, and particularly relates to a satellite Internet of things terminal channel allocation method.
Background
The satellite internet of things terminal is mainly applied to a scene of regularly acquiring and uploading data. Terminals generally wake up at regular intervals of a few minutes, tens of minutes or hours to collect external application data and send the external application data to a remote monitoring platform. These application data are typically sent in packets of data, each packet having a data length varying from tens to one hundred bytes. The application data are generally ordinary business data, the requirement on transmission real-time performance is not high, and a delay of a certain time can be accepted.
Aiming at the scene, the prior art adopts an ALOHA algorithm and realizes the robbery of each terminal to the channel through technical means such as carrier sense (LBT) and the like. However, these measures do not completely solve the problem of air collision of the data packet, and still cause packet loss of the data packet due to the air collision, which seriously affects the service quality of the service. In addition, since satellite channel resources are very limited, if too many air collisions occur, satellite resources are also wasted greatly. Therefore, it is necessary to provide a new method for allocating channels to terminals of the internet of things of satellite to solve the above technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of how to provide a channel allocation method which can efficiently coordinate terminals to stably transmit data on allocated channels and avoid the problem of collision and packet loss caused by simultaneous data transmission of multiple terminals.
In order to solve the technical problems, the invention provides the channel allocation method, which can efficiently coordinate terminals to stably transmit data on allocated channels, solves the problem of collision and packet loss caused by simultaneous data transmission of multiple terminals, greatly increases the network capacity of satellite channels by uniformly coordinating channel allocation, and remarkably improves the channel utilization rate of a satellite Internet of things system.
The invention provides a satellite internet of things terminal channel allocation method which is used for a satellite internet of things system.
The satellite internet of things terminal is connected with the satellite, the management platform, the management gateway, the service platform and the service gateway, the management gateway and the management platform are responsible for realizing the interactive flow of the network access application of the satellite internet of things terminal, the service gateway and the service platform are responsible for realizing the flow of the service data of the satellite internet of things terminal, and the data transmission process of the satellite internet of things terminal and the satellite, the service gateway, the service platform, the management gateway and the management platform is as follows:
S1, a terminal is connected to a network and sends out a network access application, and a management platform obtains parameters of an available service channel and then serves as an available channel resource pool.
S2, the management platform determines the channel rate of the terminal, calculates the channel occupation time of the terminal when the terminal transmits data each time, confirms the time starting point of the terminal service data transmission according to the channel time slot occupation condition of the service gateway, and distributes the corresponding channel occupation time.
S3, after receiving the network access request response, the terminal extracts the service data channel information, the terminal transmits the service data to the service gateway, and the service gateway forwards the data to the service platform.
The S1, the terminal is connected to the network and sends out a network access application, the management platform obtains the parameters of the available service channels, and then the parameters are used as an available channel resource pool, comprising:
S101, a satellite Internet of things terminal in an unaccessed state transmits service data after performing network access application and obtaining approval of a management platform, wherein the satellite Internet of things terminal needs to transmit corresponding data to the management platform through a network access channel of a satellite and the management gateway when performing the network access application.
S102, after receiving a network access application of the terminal, the management platform firstly extracts the position information of the terminal, and then matches the service gateway of the corresponding area according to the area where the terminal is located.
S103, after the management platform is matched with the service gateway of the corresponding area, firstly, the channel parameters of the service gateway, the channel occupation condition and the residual condition are called to obtain the parameters of the available service channels, and then the parameters are used as an available channel resource pool.
As a further scheme of the present invention, the s2. the management platform determines a channel rate of the terminal, calculates a channel occupation time of the terminal when transmitting data each time, and confirms a time starting point of terminal service data transmission according to a channel time slot occupation condition of a service gateway, and allocates a corresponding channel occupation time, including:
s201, the management platform determines the channel rate of the terminal according to the uploaded service type of the terminal and the service level recorded by the management platform.
S202, the management platform calculates the channel occupation time of the terminal when transmitting data each time according to the service data parameters uploaded by the terminal and the rate to be allocated.
S203, after the management platform calculates the channel occupation time of the terminal when transmitting data each time, selecting an idle time slot from idle channels of corresponding types according to the channel time slot occupation condition of the service gateway, taking the idle time slot as a time starting point of terminal service data transmission, and distributing corresponding channel occupation time from the time starting point.
As a further scheme of the present invention, s3, after receiving the response of the network access application, the terminal extracts the service data channel information, and the terminal transmits the service data to the service gateway, and the service gateway forwards the data to the service platform, including:
S301, the management platform issues the generated service channel parameters to the terminal through the management gateway.
S302, after receiving the network access request response, the terminal extracts the service data channel information and stores the service data channel information for the next service data transmission, and meanwhile, the terminal marks the network access state.
S303, when the terminal transmits service data, after the preparation of the service data is completed, the service data is transmitted to a channel opened by a designated service gateway according to a service data transmission channel distributed by a management platform, and the service gateway forwards the data to the service platform.
As a further scheme of the present invention, the corresponding data in step S101 includes a number of the terminal, a service type of the terminal, location information of the terminal, and a service data parameter of the terminal, where the service data parameter of the terminal includes a transmission frequency, a packet number transmitted each time, and a data byte length of each packet.
As a further scheme of the invention, the management platform comprises a business gateway area coverage area quick table.
As a further scheme of the present invention, the channels of the service gateway in the step S102 are divided into three service channels with different data bearing capacities, namely, high frequency, medium frequency and low frequency, and specific information is as follows:
first, a high frequency channel carries devices with transmission frequency intervals less than 10 minutes.
Second, medium frequency channels carry devices with transmission frequency intervals greater than 10 minutes but less than 1 hour.
Third, the low frequency device carries devices with transmission frequency intervals greater than 1 hour.
As a further aspect of the present invention, in the step S201, for the device with a high service level, it allocates more stable channels with higher rate, and the rate level is divided into three classes: low, medium and high rates, while higher rates provide shorter data transmission times over the air for the same data length, and are less prone to collisions with other devices.
As a further aspect of the present invention, the service data parameter in the step S202 includes a data byte length per packet and a number of packets transmitted per time.
As a further aspect of the present invention, the units of the calculation formulas of the channel occupation time in the step S202 are seconds, and the calculation formulas are as follows:
first, for low rates: the data per communication occupies a channel time of 3+2 x (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Second, for medium rate: the data per communication occupies a channel time of 1.5+0.7 (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Third, for medium rate: the data per communication occupies a channel time of 1.5+0.8 (n/200), where n is the total number of bytes per transmission (number of packets times length of each packet).
Compared with the related art, the satellite Internet of things terminal channel allocation method provided by the invention has the following steps of
The beneficial effects are that:
According to the method, the transmission characteristic limit of the satellite communication channel and the application scene characteristic of the terminal of the Internet of things are considered, a set of terminal channel allocation method of the satellite Internet of things based on a channel allocation algorithm is designed, so that the terminal can efficiently coordinate and stably transmit data on the allocated channel, the problem that multiple terminals send data simultaneously to generate collision and packet loss is solved, the network capacity of the satellite channel is greatly increased through unified coordination of channel allocation, and the channel utilization rate of the satellite Internet of things system is remarkably improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic flow chart of a satellite internet of things terminal channel allocation method in the invention.
Fig. 2 is another flow chart of a satellite internet of things terminal channel allocation method according to the present invention.
Fig. 3 is a schematic flow chart of another method for allocating channels to a satellite internet of things terminal according to the present invention.
Fig. 4 is a schematic flow chart of another method for allocating channels to terminals of the satellite internet of things according to the present invention.
Fig. 5 is a schematic diagram of a flow of applying for allocating channels by a satellite internet of things terminal.
Fig. 6 is a schematic diagram of a service data uploading process of a satellite internet of things terminal in the present invention.
Detailed Description
Referring to fig. 1 to fig. 6 in combination, fig. 1 to fig. 4 are a plurality of flow diagrams of a satellite internet of things terminal channel allocation method according to the present invention; FIG. 5 is a schematic diagram of a flow of a satellite Internet of things terminal network access application for channel allocation in the present invention; fig. 6 is a schematic diagram of a service data uploading process of a satellite internet of things terminal in the present invention. The method for allocating the satellite internet of things terminal channels specifically includes the following steps in this embodiment:
S1, a terminal is connected to a network and sends out a network access application, and a management platform obtains parameters of an available service channel and then serves as an available channel resource pool.
S2, the management platform determines the channel rate of the terminal, calculates the channel occupation time of the terminal when the terminal transmits data each time, confirms the time starting point of the terminal service data transmission according to the channel time slot occupation condition of the service gateway, and distributes the corresponding channel occupation time.
S3, after receiving the network access request response, the terminal extracts the service data channel information, the terminal transmits the service data to the service gateway, and the service gateway forwards the data to the service platform.
Further, the steps S1 to S3 include the steps of:
S101, terminal connection network access and network access application are carried out, and the method specifically comprises the following steps: when the terminal is not formally started, the terminal is in an un-network-connected state, and when the terminal is used, the terminal can send service data after network-connected application is required and approval of a management platform is obtained, wherein the service data refers to application data of a user; further, when the terminal applies for network access, corresponding data is transmitted to the management platform through a network access channel of the satellite and the management gateway, and the corresponding data comprises: the method comprises the steps of numbering a terminal, terminal service type, position information of the terminal and service data parameters of the terminal, wherein the service data parameters of the terminal comprise transmission frequency, the number of packets transmitted each time and the length of data bytes of each packet; in an embodiment, the application data of the user is sensor data.
S102, after receiving a network access application of the terminal, the management platform extracts the position information of the terminal, and firstly matches the service gateway of the corresponding area according to the area where the terminal is located, wherein the management platform is provided with a service gateway area coverage area quick table.
S103, after the management platform is matched with the service gateway of the corresponding area, firstly, the channel parameters of the service gateway, the channel occupation condition and the residual condition are called to obtain the parameters of available service channels, and the parameters are used as an available channel resource pool, wherein the channels of the service gateway are divided into three service channels with different data bearing capacities of high frequency, medium frequency and low frequency according to the bearing data volume, and the service channels are specifically shown as follows:
first, a high frequency channel carries devices with transmission frequency intervals less than 10 minutes.
Second, medium frequency channels carry devices with transmission frequency intervals greater than 10 minutes but less than 1 hour.
Third, the low frequency device carries devices with transmission frequency intervals greater than 1 hour.
S201, the management platform determines the channel rate of the terminal according to the uploaded terminal service type and the service level recorded by the management platform, and for the equipment with high service level, the equipment is allocated with more stable and higher rate channels, and the rate level is divided into three categories: low, medium and high rates, while higher rates provide shorter data transmission times over the air for the same data length, and are less prone to collisions with other devices.
S202, the management platform calculates the channel occupation time of the terminal when transmitting data each time according to service data parameters uploaded by the terminal and the rate to be allocated, wherein the service data parameters comprise the length of each data byte and the number of packets transmitted each time, the units of a calculation formula of the channel occupation time are seconds, and the calculation formula is as follows:
first, for low rates: the data per communication occupies a channel time of 3+2 x (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Second, for medium rate: the data per communication occupies a channel time of 1.5+0.7 (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Third, for medium rate: the data per communication occupies a channel time of 1.5+0.8 (n/200), where n is the total number of bytes per transmission (number of packets times length of each packet).
S203, after the management platform calculates the channel occupation time of the terminal when transmitting data each time, selecting an idle time slot from idle channels of corresponding types according to the channel time slot occupation condition of the service gateway, taking the idle time slot as a time starting point of terminal service data transmission, and distributing corresponding channel occupation time from the time starting point.
S301, the management platform issues the generated service channel parameters to the terminal through the management gateway.
S302, after receiving the network access request response, the terminal extracts the service data channel information and stores the service data channel information for the next service data transmission, and meanwhile, the terminal marks the network access state.
S303, when the terminal transmits service data, after the preparation of the service data is completed, the service data is transmitted to a channel opened by a designated service gateway according to a service data transmission channel distributed by a management platform, and the service gateway forwards the data to the service platform.
Further, the corresponding data in step S101 includes the number of the terminal, the service type of the terminal, the location information of the terminal, and the service data parameter of the terminal, where the service data parameter of the terminal includes the transmission frequency, the number of packets transmitted each time, and the length of data bytes of each packet.
Further, the management platform comprises a service gateway area coverage area quick look-up table.
Further, the channels of the service gateway in the step S102 are divided into three service channels with different data bearing capacities, namely high frequency, medium frequency and low frequency, and specific information is as follows:
first, a high frequency channel carries devices with transmission frequency intervals less than 10 minutes.
Second, medium frequency channels carry devices with transmission frequency intervals greater than 10 minutes but less than 1 hour.
Third, the low frequency device carries devices with transmission frequency intervals greater than 1 hour.
Further, in the step S201, for the device with a high service level, it allocates more stable channels with higher rate, and the rate level is classified into three categories: low, medium and high rates, while higher rates provide shorter data transmission times over the air for the same data length, and are less prone to collisions with other devices.
Further, the service data parameter in the step S202 includes a data byte length per packet and the number of packets transmitted per time.
Further, the units of the calculation formulas of the channel occupation time in the step S202 are seconds, and the calculation formulas are as follows:
first, for low rates: the data per communication occupies a channel time of 3+2 x (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Second, for medium rate: the data per communication occupies a channel time of 1.5+0.7 (n/50), where n is the total number of bytes per transmission (number of packets times length of each packet).
Third, for medium rate: the data per communication occupies a channel time of 1.5+0.8 (n/200), where n is the total number of bytes per transmission (number of packets times length of each packet).
According to the method, the transmission characteristic limit of the satellite communication channel and the application scene characteristic of the terminal of the Internet of things are considered, a set of terminal channel allocation method of the satellite Internet of things based on a channel allocation algorithm is designed, so that the terminal can efficiently coordinate and stably transmit data on the allocated channel, the problem that multiple terminals send data simultaneously to generate collision and packet loss is solved, the network capacity of the satellite channel is greatly increased through unified coordination of channel allocation, and the channel utilization rate of the satellite Internet of things system is remarkably improved.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, a unit or component may be combined or may be integrated into another system, or some features may be omitted, or not performed.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs. In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. The method is characterized in that the method is used for a satellite internet of things system, and the satellite internet of things system comprises a satellite internet of things terminal, a satellite, a management platform, a management gateway, a service platform and a service gateway;
The satellite internet of things terminal is connected with the satellite, the management platform, the management gateway, the service platform and the service gateway, the management gateway and the management platform are responsible for realizing the interactive flow of the network access application of the satellite internet of things terminal, the service gateway and the service platform are responsible for realizing the flow of the service data of the satellite internet of things terminal, and the data transmission process of the satellite internet of things terminal and the satellite, the service gateway, the service platform, the management gateway and the management platform is as follows:
S1, a terminal is connected to a network and sends out a network access application, and a management platform obtains parameters of an available service channel and then serves as an available channel resource pool;
S2, the management platform determines the channel rate of the terminal, calculates the channel occupation time of the terminal when the terminal transmits data each time, confirms the time starting point of the terminal service data transmission according to the channel time slot occupation condition of the service gateway, and distributes the corresponding channel occupation time;
s3, after receiving the network access request response, the terminal extracts the service data channel information, the terminal transmits the service data to the service gateway, and the service gateway forwards the data to the service platform.
2. The method for allocating channels to terminals of the satellite internet of things according to claim 1, wherein the step s1 of connecting the terminals to the network and sending a network access application, the management platform obtaining parameters of available traffic channels, and then using the parameters as a pool of available channel resources comprises:
S101, a satellite Internet of things terminal in an unaccessed state transmits service data after performing network access application and obtaining approval of a management platform, wherein the satellite Internet of things terminal needs to transmit corresponding data to the management platform through a network access channel of a satellite and the management gateway when performing the network access application;
S102, after receiving a network access application of a terminal, the management platform firstly extracts the position information of the terminal, and then matches a service gateway of a corresponding area according to the area where the terminal is located;
S103, after the management platform is matched with the service gateway of the corresponding area, firstly, the channel parameters of the service gateway, the channel occupation condition and the residual condition are called to obtain the parameters of the available service channels, and then the parameters are used as an available channel resource pool.
3. The method for allocating channels to terminals of the satellite internet of things according to claim 2, wherein the step s2 of determining the channel rate of the terminal by the management platform, calculating the channel occupation time of the terminal when transmitting data each time, and determining the time starting point of the terminal service data transmission according to the channel time slot occupation condition of the service gateway, allocating the corresponding channel occupation time comprises:
S201, the management platform determines the channel rate of the terminal according to the uploaded terminal service type and the service level recorded by the management platform;
s202, the management platform calculates the channel occupation time of the terminal when transmitting data each time according to the service data parameters uploaded by the terminal and the rate to be allocated;
S203, after the management platform calculates the channel occupation time of the terminal when transmitting data each time, selecting an idle time slot from idle channels of corresponding types according to the channel time slot occupation condition of the service gateway, taking the idle time slot as a time starting point of terminal service data transmission, and distributing corresponding channel occupation time from the time starting point.
4. The method for allocating channels to terminals of the satellite internet of things according to claim 3, wherein the step s3 of extracting service data channel information after receiving the response of the network access application, the terminal transmitting service data to a service gateway, the service gateway forwarding the data to a service platform, comprises:
s301, the management platform transmits the generated service channel parameters to the terminal through the management gateway;
S302, after receiving the network access request response, the terminal extracts the service data channel information and stores the service data channel information for the next service data transmission, and meanwhile, the terminal marks the network access state;
S303, when the terminal transmits service data, after the preparation of the service data is completed, the service data is transmitted to a channel opened by a designated service gateway according to a service data transmission channel distributed by a management platform, and the service gateway forwards the data to the service platform.
5. The method for allocating channels to terminals of the satellite internet of things according to claim 4, wherein: the corresponding data in step S101 includes the number of the terminal, the service type of the terminal, the location information of the terminal, and the service data parameters of the terminal, where the service data parameters of the terminal include the transmission frequency, the number of packets transmitted each time, and the length of bytes of data of each packet.
6. The method for allocating channels to terminals of the satellite internet of things according to claim 5, wherein: the management platform comprises a business gateway area coverage area quick table.
7. The method for allocating channels to terminals of the internet of things of satellite according to claim 6, wherein: the channels of the service gateway in step S102 are divided into three service channels with different data bearing capacities, namely high frequency, medium frequency and low frequency, and specific information is as follows:
First, a high frequency channel carrying equipment with a transmission frequency interval less than 10 minutes;
secondly, a medium-frequency channel carries equipment with a transmission frequency interval of more than 10 minutes and less than 1 hour;
third, the low frequency device carries devices with transmission frequency intervals greater than 1 hour.
8. The method for allocating channels to terminals of the internet of things of satellite according to claim 7, wherein: for the device with high service level in step S201, it allocates more stable channels with higher rate, and the rate level is classified into three classes: low, medium and high rates, while higher rates provide shorter data transmission times over the air for the same data length, and are less prone to collisions with other devices.
9. The method for allocating channels to terminals of the internet of things of satellite according to claim 8, wherein: the service data parameters in step S202 include the data byte length per packet and the number of packets transmitted per time.
10. The method for allocating channels to terminals of the internet of things of satellite according to claim 9, wherein: the unit of the calculation formula of the channel occupation time in step S202 is seconds, and the calculation formula is as follows:
First, for low rates: the data of each communication occupies 3+2 times (n/50) of channel time, wherein n is the total number of bytes (the number of packets multiplied by the length of each packet) of each transmission;
Second, for medium rate: the data of each communication occupies a channel time of 1.5+0.7 (n/50), where n is the total number of bytes per transmission (the number of packets times the length of each packet);
Third, for medium rate: the data per communication occupies a channel time of 1.5+0.8 (n/200), where n is the total number of bytes per transmission (number of packets times length of each packet).
CN202410139572.1A 2024-01-30 2024-01-30 Satellite Internet of things terminal channel allocation method Pending CN117978246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410139572.1A CN117978246A (en) 2024-01-30 2024-01-30 Satellite Internet of things terminal channel allocation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410139572.1A CN117978246A (en) 2024-01-30 2024-01-30 Satellite Internet of things terminal channel allocation method

Publications (1)

Publication Number Publication Date
CN117978246A true CN117978246A (en) 2024-05-03

Family

ID=90847543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410139572.1A Pending CN117978246A (en) 2024-01-30 2024-01-30 Satellite Internet of things terminal channel allocation method

Country Status (1)

Country Link
CN (1) CN117978246A (en)

Similar Documents

Publication Publication Date Title
US6317584B1 (en) Controlling communication in wireless and satellite networks
US8660142B2 (en) Scheduling virtual bandwidth requests
US9055483B2 (en) Scheduling in a two-tier network
JP5026502B2 (en) Access control method and system
US9668263B1 (en) Optimization of airtime among Wi-Fi clients connected to an access point
CN111885733B (en) Resource allocation method, device, storage medium and network equipment
CN101237332A (en) Billing method, billing system and traffic statistical device
US6891847B1 (en) Method and apparatus for accommodating asynchronous data transmissions in a wireless computer network
CN107251634A (en) The method and apparatus for controlling schedules message
CN113709885B (en) Multi-service network resource allocation method
US7952996B2 (en) Method and apparatus for assessing traffic load of a communication network
CN117978246A (en) Satellite Internet of things terminal channel allocation method
CN112087678A (en) Bandwidth allocation method and device and bandwidth checking method and device
CN109428762B (en) Bandwidth scheduling method and device
CN106973389B (en) Dynamic spectrum sharing method and device
CN107371263B (en) Method and device for scheduling uplink resources
WO2021189699A1 (en) Dynamic broadband tracking method and device, and storage medium
EP2670086B1 (en) Solutions for Upstream Channel Bonding
CN103731886A (en) Bandwidth allocation system, method and device
KR100823134B1 (en) Wireless mesh network system and bandwidth reassignment method thereof
US20230156686A1 (en) Methods and apparatus for coordinating data transmission in a communications network
US11805079B2 (en) Methods and apparatus for coordinating data transmission in a communications network
CN101361331A (en) Accounting apparatus and method in portable internet system
CN109005590B (en) Method and device for realizing access of slave equipment to TVWS server through proxy
Patel et al. Verification of data sparsification technique in smart grid communication

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination